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Finding the Fourth Proportional to 360,409.36, 496,792.30 and 283,806.92

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Solution

The fourth proportional to 360,409.36, 496,792.30 and 283,806.92 is: 391,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,409.36 : 496,792.30 = 283,806.92 : x
  2. Step 2: Convert to fraction form
    360,409.36/496,792.30 = 283,806.92/x
  3. Step 3: Cross multiply
    360,409.36x = 496,792.30 × 283,806.92
  4. Step 4: Simplify right side
    360,409.36x = 140,993,092,542.72
  5. Step 5: Solve for x
    x = 140,993,092,542.72/360,409.36
  6. Step 6: Final answer
    x = 391,202.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.